... operating system, Multi-language interfacesQuad-or-full screen display, good video, quality and high resolutionDemountable, network access, Remote access available ... Touch and remote opertation.6 ch video input(4-channel CCTV video inputs, 2-channel video door phone inputs)4 channel ... C~+50°Cdimension: Monitor:250(L)×210(W)×35(H)mm CCTV Camera Descriptions:Sony, Sharp CCD are optional420TVL,480TVL, ...